GB216106A - Improvements in change-speed devices for cycles - Google Patents
Improvements in change-speed devices for cyclesInfo
- Publication number
- GB216106A GB216106A GB8791/24A GB879124A GB216106A GB 216106 A GB216106 A GB 216106A GB 8791/24 A GB8791/24 A GB 8791/24A GB 879124 A GB879124 A GB 879124A GB 216106 A GB216106 A GB 216106A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pawl
- ring
- wheel
- crank
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/003—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion the gear-ratio being changed by inversion of torque direction
- F16H3/005—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion the gear-ratio being changed by inversion of torque direction for gearings using gears having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
216,106. Rachlis, Dupin, et Cie, (Assignees of Charlin, L. E., Dupin, J. B., and Rachlis, A.). May 17, 1923, [Convention date]. Variable-speed gearing.-A three-speed gear for the crank bracket of cycles, in which the low gear is obtained by back-pedalling, comprises a wheel R, Figs. 1 and 2, loosely mounted on the hub of the crank M with an interposed pawl-and-ratchet connection K, and planet pinions G, G<1>, P, of which at least one P has teeth engaging rollers 0, 0' on the wheel R and the sprocket ring C respectively, the axles 1 of the planet pinions being carried by rings D, D<1>, the peripheries of which are formed with ratchet teeth. On normal gear, a pawl F on the crank M drives the ring D<1>, and the parts rotate as a unit, the pawl K preventing rotation of the pinion P. On high gear, a pawl X is brought by a control rod T into engagement with a ratchet boss B on the wheel R, which is thus held stationary, the piston P rolling on it to increase the speed of the ring C. On low gear, the crank M is driven in the reverse direction, and a pawl V on the cycle frame holds the ring D and the axles 1 stationary, the wheel R being driven through the pawl K to rotate the pinion P, which drives the ring C at reduced speed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR216106X | 1923-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB216106A true GB216106A (en) | 1924-10-30 |
Family
ID=8881202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8791/24A Expired GB216106A (en) | 1923-05-17 | 1924-04-07 | Improvements in change-speed devices for cycles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB216106A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263511A (en) * | 1992-01-02 | 1993-07-28 | Dianlin Chang | A driven free wheel change speed planetary gearing for bicycles |
| FR2727080A1 (en) * | 1994-11-23 | 1996-05-24 | Dianlin Chang | TWO-SPEED BIDIRECTIONAL CRANKSHAFT SPEED CHANGE FOR CYCLE |
| US5954614A (en) * | 1998-01-20 | 1999-09-21 | World Industry Co., Ltd. | Apparatus for changing power direction for bicycle |
| ITPD20080271A1 (en) * | 2008-09-25 | 2010-03-26 | Gianpaolo Zabeo | CENTRAL MECHANISM FOR BICYCLES FOR THE TRANSMISSION OF THE ROTARY MOTORBIKE OF THE PEDALS TO THE DRIVE WHEEL |
-
1924
- 1924-04-07 GB GB8791/24A patent/GB216106A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263511A (en) * | 1992-01-02 | 1993-07-28 | Dianlin Chang | A driven free wheel change speed planetary gearing for bicycles |
| FR2727080A1 (en) * | 1994-11-23 | 1996-05-24 | Dianlin Chang | TWO-SPEED BIDIRECTIONAL CRANKSHAFT SPEED CHANGE FOR CYCLE |
| US5954614A (en) * | 1998-01-20 | 1999-09-21 | World Industry Co., Ltd. | Apparatus for changing power direction for bicycle |
| ITPD20080271A1 (en) * | 2008-09-25 | 2010-03-26 | Gianpaolo Zabeo | CENTRAL MECHANISM FOR BICYCLES FOR THE TRANSMISSION OF THE ROTARY MOTORBIKE OF THE PEDALS TO THE DRIVE WHEEL |
| WO2010035205A1 (en) * | 2008-09-25 | 2010-04-01 | Gianpaolo Zabeo | Bicycle crankset for transmitting the rotary motion of the pedals to the drive gear |
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